2 Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #include <util/delay.h>
31 #include "bootmagic.h"
36 #ifdef MATRIX_HAS_GHOST
37 static bool has_ghost_in_row(uint8_t row
)
39 matrix_row_t matrix_row
= matrix_get_row(row
);
40 // No ghost exists when less than 2 keys are down on the row
41 if (((matrix_row
- 1) & matrix_row
) == 0)
44 // Ghost occurs when the row shares column line with other row
45 for (uint8_t i
=0; i
< MATRIX_ROWS
; i
++) {
46 if (i
!= row
&& (matrix_get_row(i
) & matrix_row
))
54 void keyboard_init(void)
56 // TODO: configuration of sendchar impl
57 print_set_sendchar(sendchar
);
61 #ifdef PS2_MOUSE_ENABLE
65 #ifdef BOOTMAGIC_ENABLE
68 if (eeconfig_is_enabled()) {
70 config
= eeconfig_read_debug();
71 // ignored if debug is enabled by program before.
72 if (!debug_enable
) debug_enable
= (config
& EECONFIG_DEBUG_ENABLE
);
73 if (!debug_matrix
) debug_matrix
= (config
& EECONFIG_DEBUG_MATRIX
);
74 if (!debug_keyboard
) debug_keyboard
= (config
& EECONFIG_DEBUG_KEYBOARD
);
75 if (!debug_mouse
) debug_mouse
= (config
& EECONFIG_DEBUG_MOUSE
);
83 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
84 * This is repeatedly called as fast as possible.
86 void keyboard_task(void)
88 static matrix_row_t matrix_prev
[MATRIX_ROWS
];
89 static uint8_t led_status
= 0;
90 matrix_row_t matrix_row
= 0;
91 matrix_row_t matrix_change
= 0;
94 for (uint8_t r
= 0; r
< MATRIX_ROWS
; r
++) {
95 matrix_row
= matrix_get_row(r
);
96 matrix_change
= matrix_row
^ matrix_prev
[r
];
98 if (debug_matrix
) matrix_print();
99 #ifdef MATRIX_HAS_GHOST
100 if (has_ghost_in_row(r
)) {
101 matrix_prev
[r
] = matrix_row
;
105 for (uint8_t c
= 0; c
< MATRIX_COLS
; c
++) {
106 if (matrix_change
& ((matrix_row_t
)1<<c
)) {
107 action_exec((keyevent_t
){
108 .key
= (key_t
){ .row
= r
, .col
= c
},
109 .pressed
= (matrix_row
& ((matrix_row_t
)1<<c
)),
110 .time
= (timer_read() | 1) /* time should not be 0 */
112 // record a processed key
113 matrix_prev
[r
] ^= ((matrix_row_t
)1<<c
);
114 // process a key per task call
115 goto MATRIX_LOOP_END
;
120 // call with pseudo tick event when no real key event.
124 #ifdef MOUSEKEY_ENABLE
125 // mousekey repeat & acceleration
129 if (led_status
!= host_keyboard_leds()) {
130 led_status
= host_keyboard_leds();
131 keyboard_set_leds(led_status
);
135 void keyboard_set_leds(uint8_t leds
)
137 if (debug_keyboard
) { debug("keyboard_set_led: "); debug_hex8(leds
); debug("\n"); }